Cosmopolitan vs Black grey
Where Cosmopolitan belongs to Benjamin Moore's range, Black grey is a RAL Classic color. Hue-wise, Cosmopolitan belongs to the greige-grey family and Black grey to the blue-grey family. Cosmopolitan (LRV 46) reflects noticeably more light than Black grey (LRV 6), a difference of 40 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 54.3, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Cosmopolitan vs Black grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Cosmopolitan on one side and Black grey on the other.
Digital color is approximate. These simulations are generated from the manufacturer's hex values and overlaid on grayscale room photos — your screen's calibration, brightness, and viewing angle all affect how they render. Before committing to either color, test physical samples in your own space under the light you actually live with.
More Cosmopolitan comparisons
See how Cosmopolitan stacks up against other well-photographed colors across different brands and tones.
